Midea R290-M Wired Controller Instruction Manual

R290-M Wired Controller

Specifications

  • Input Voltage: Operating voltage required for the wired
    controller
  • Operating Temperature: Suitable temperature range for proper
    operation
  • Humidity: Recommended humidity levels for optimal
    performance

Product Usage Instructions

1. General Safety Precautions

This product is designed for use with the wired controller.
Before operating, carefully read and follow all instructions
provided in the manual. Ensure that all safety precautions are
observed.

1.1 Safety Signs

WARNING: Indicates a hazard with a medium level
of risk that could result in death or serious injury if not
avoided.

1.2 Notice to Users

If unsure about operating the unit, contact your installer. Keep
this product away from children and ensure proper disposal methods
are followed to protect the environment.

2. Documentation

The product documentation includes an Installation Manual and an
Operation Manual for guidance. Refer to these documents for
detailed instructions on setup and usage.

3. User Interface

The wired controller features seven touch keys for operation
instead of a touchscreen. Familiarize yourself with the interface
layout and functions as described in the manual.

4. Basic Operations

  • Screen Lock/Unlock: Learn how to lock/unlock
    the screen for security.
  • Unit ON/OFF: Understand how to power on/off
    the unit.
  • Temperature Settings: Adjust the temperature
    settings as needed.
  • Mode Change: Switch between different
    operational modes.

5. Other Functions and Settings

Explore additional functions like scheduling, weather
temperature settings, DHW settings, unit status, error information,
sensor backup setting, and control via the app.

6. Installation Configuration

Refer to the installation configuration section for detailed
setup instructions to ensure proper installation of the
product.

7. Operating Parameters

Understand the operating parameters of the product to optimize
its performance and efficiency.

FAQ

Q: Can children operate this wired controller?

A: This product is suitable for children aged 8 years and above
under supervision. Children should not handle cleaning or
maintenance tasks without proper guidance.

Q: How should I dispose of the unit?

A: Contact your installer or local authority for information on
proper disposal methods to prevent environmental harm.

“`

Scan the QR code to read the manual in different languages
OPERATION MANUAL

Scan the QR code to install the control
APP.

Please read this manual carefully and keep it for future reference. All the pictures in this manual are for illustration purposes only. The screen of the wired controller is with seven touch keys instead of a touchscreen.

CONTENTS

1 GENERAL SAFETY PRECAUTIONS

01

1.1 Safety Signs

01

1.2 Notice to Users

01

2 DOCUMENTATION

03

3 USER INTERFACE

04

3.1 Names and Functions

04

3.2 Interface Switch

05

3.3 Interface Layout

06

4 BASIC OPERATIONS

15

4.1 Screen Lock/Unlock

15

4.2 Unit ON/OFF

15

4.3 Temperature Settings

15

4.4 Mode Change

16

5 OTHER FUNCTIONS AND SETTINGS

19

5.1 Schedule

19

5.2 Weather temp. settings

30

5.3 DHW settings

36

5.4 Settings

39

5.5 Unit Status

46

5.6 Error Info

50

5.7 FAQ

52

5.8 Sensor backup setting

53

5.9 APP

54

6 INSTALLATION CONFIGURATION

60

7 OPERATING PARAMETERS

66

1 GENERAL SAFETY PRECAUTIONS
This document is applicable only to the wired controller. Read this document and follow the instructions carefully before operating the wired controller. Always observe all the operating instructions. Hand these instructions and all other applicable documents to the end user.
WARNING
Follow the safety precautions in the INSTALLATION MANUAL for the correct use of the heat pump unit.
1.1 Safety Signs
Action-related warnings in the document:
WARNING
It indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury.
NOTE
Additional information.
1.2 Notice to Users
If you are not sure how to operate the unit, contact your installer.
01

This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge provided that they have been given supervision or instruction concerning the use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and maintenance shall not be made by children without supervision.
The unit is marked with the following symbol:

This means that electrical and electronic products may not be mixed with unsorted household waste. Do not try to dismantle the system yourself. The dismantling of the system and the treatment of the refrigerant, oil and other parts must be done by an authorized installer and must comply with applicable legislation.
The unit must be treated at a specialized treatment facility for reuse, recycling and recovery. By ensuring this product is disposed of correctly, you will help to prevent potential negative consequences for the environment and human health. For more information, contact your installer or local authority.
Working conditions of the wired controller.

Input voltage Operating temperature

18V DC -10 to 43°C

Humidity

RH9002%

02

2 DOCUMENTATION

Scan the QR code on the right for other languages.

This document is part of a documentation set. The complete set consists of:
Installation Manual Brief installation instructions Format: paper (included with the outdoor unit)
Operation Manual (this manual) Quick guide for basic usage Format: paper (included with the outdoor unit)
Technical Data Manual Performance data and ERP information Format: paper (included with the outdoor unit)
Online Tools (APP) APP: scan the QR code on the right or in the front page to download the app

Scan the QR code to read the manual in different languages
Scan the QR code to install the control APP

03

3 USER INTERFACE
3.1 Names and Functions
Zone1

Icon

Name

Menu/Return*

Definition
Press to access the menu page (from the home page) / return to the previous page (from a page other then the home page)

Confirm

Confirm a selection / Save settings / Access the next page

ON/OFF

Turn on/off zone 1/zone 2/DHW Press and hold for 3 seconds to turn on/off all appliances (zone 1 / zone 2 / DHW).

Navigation:

Press to navigate the cursor to adjust

upward, downward settings (holding it for 1 second can

leftward, rightward start quick adjustment)

* Hold for 2 seconds to return to the main page.

04

3.2 Interface Switch
Page A

E01
Press

* Zone1

Page B

Press
Zone1

Press Press

Mode

Press **

Press ***

Page C

Page D

* To switch from Page A to Page B, select an appliance first. ** To switch from Page C to Page D, select a target icon first. ***To switch from Page D to Page C, press several times (depending on the page level).
05

3.3 Interface Layout
Page A ­ Home page

Zone1

E01

No

Name

1

Outdoor ambient temperature

Temperature

Zone 2

Current room

2* tempera temperature

ture

Current water temperature

Icon

Note Current outdoor ambient temperature
The indicator lights up when Zone 2 is ON and turns gray when Zone 2 is OFF. When the temperature is controlled by room temperature, is displayed. When the temperature is controlled by water temperature,
is displayed.

06

Set temperature
Radiator
Zone 2 3* applian Underfloor
-ces heating
Fan coil unit

When Zone 2 is selected, the zone indicator and set temperature are visible.

Displays ,

or

depending on the installer

setting.

The icon color is orange

when Zone 2 is in heating

mode.

The icon color is blue when

Zone 2 is in cooling mode.

The icon color is gray when

Zone 2 is OFF.

Temperature
Current room Zone 1 temperature 4 temperatures Current water temperature
Set temperature

The indicator lights up when

Zone 1 is ON and turns gray

when Zone 1 is OFF. When

the temperature is controlled

by room temperature,

is

displayed.

When the temperature is

controlled by water temper-

ature,

is displayed.

When Zone 1 is selected,

the zone indicator and set

temperature are visible.

5 Zone 1 indicator

Zone 1 Indicates this zone is Zone 1.

07

Radiator

Zone 1 Underfloor 6 applian heating
ce
Fan coil unit

Lock
Silent mode 7
WLAN connection

Smart grid

8 Error

DHW Temperature

9**

tank tempe-

Current water

rature temperature

Displays ,

or

depending on the installer

setting. The icon color is orange when Zone 1 is in heating mode. The icon color is blue when Zone 1 is in cooling mode. The icon color is gray when Zone 1 is OFF.

Visible when the screen is locked.
Visible when the silent mode is active.
Visible during WLAN connecting and after successful WLAN connection.
Visible when smart grid function is active.
E01 Visible when any error exists.
The indicator lights up when DHW is ON and turns gray when DHW is OFF. When DHW is selected, set temperature is visible.
08

Set temperature

10** DHW tank

The icon color is orange when DHW heating is ON. The icon color is gray when DHW heating is OFF.

11** Fast DHW

Visible when fast DHW is active.

* Invisible if DOUBLE ZONE is disabled. **Invisible if DHW MODE is disabled.

Page B ­ Appliance page

Zone1

09

No

Name

Date 1
Time

2 Zone indicator

Icon
Zone1

Note
Current date (DD-MM-YYYY) and time (HH:MM) of the wired controller.
Display 1 or 2 depending on the zone you have selected.

Temperature
Current room 3 temperature
Current water temperature
Set temperature

When the temperature is controlled by room temperature,
is displayed. When the temperature is controlled by water temperature,
is displayed.

Radiator
Underfloor 4 Appliance heating
Fan coil unit

Displays ,

or

depending on the installer

setting.

The icon color is orange

when the selected appliance

is in heating mode.

The icon color is blue when

the selected appliance is in

cooling mode.

The icon color is gray when

the selected appliance is OFF.

10

Electric heater Daily timer Silent mode Holiday mode Compressor Water pump Energy saving mode 5 Anti-freeze Defrost Additional heat source Mains electricity
Peak electricity
Green electricity
Solar

Visible if any electric heater is active.
Visible if the daily timer is active.
Visible when silent mode is active.
Visible when holiday mode is active.
Visible when the compressor is running.
Visible when the integrated water pump is running.
Visible when ECO mode is active.
Visible when anti-freeze function is active.
Visible when defrost function is active.
Visible when additional heat source is active.
Visible when smart grid function is active and the input signal is mains electricity.
Visible when smart grid function is active and the input signal is electricity at peak.
Visible when smart grid function is active and the input signal is electricity for free.
Visible when solar heating function is active.
11

Disinfection
Weekly timer
Outdoor ambient temperature Error 6 WLAN connection

Smart grid

Time icon

Time of the Timer

Date of the

7

Timer Timer indicator

Set

operation

mode of the

timer

Set temperature
of the timer

Visible when disinfection function is active. Visible when the weekly timer is active. Current outdoor ambient temperature. Visible when any error exists. Visible during WLAN connecting and after successful WLAN connection Visible when smart grid function is active.
Displays the recent timer information (for Schedule timer only). When no timer is active, “—” is displayed.
12

Page C ­ Menu page

Mode

No. Name Icon

Definition

1 Mode

2 Schedule

3

Weather temp. settings

4 DHW settings

Set the unit operation mode.
The system operates according to a schedule. Allow to regulate the water temperature depending on the outdoor ambient temperature.
Settings of DHW.

5 Settings

General settings.

6 Unit status

More information of the unit and its operation status.

7 Error info

Error history.

8 FAQ

Assistance for common questions.

13

Page D ­ Setting and information page
The page layout varies with your selection. It is either the setting page in which the parameters can be adjusted, or the information page which only provides additional information.
14

4 BASIC OPERATIONS
4.1 Screen Lock/Unlock
The screen dims 30 seconds after no operation, and then turns dark in 10 seconds. To lock or unlock the screen, hold and simultaneously for 1.5 seconds.
4.2 Unit ON/OFF
Select an appliance (icon 3, 6, or 10) in Page A, and press to turn ON/OFF the selected appliance.

Appliance color on the wired controller Appliance status

Dark gray

OFF

Light orange

ON(heating mode)

Light blue

ON(cooling mode)

4.3 Temperature Settings
Select an appliance, and press and to adjust the set temperature.
Set temperature adjustment is feasible regardless of the appliance status.

15

4.4 Mode Change

Mode

Access icon 1 in Page C to change the operation mode. Heating
Press or to change the operation mode. Three modes are optional:, Heating, Cooling, and Auto.
16

NOTE
About AUTO mode: The unit selects the operation mode automatically
based on the outdoor ambient temperature and some advanced settings of the installer. You can see the interfaces as below when the unit is running in different modes. Heating:
Mode
Cooling:
17

Auto:

Mode Mode

NOTE
Cooling mode for Zone 2 is only available for specific models.
18

5 OTHER FUNCTIONS AND SETTINGS
The settings and operation guide of icons 2, 3, 4, 5, 6, 7, and 8 in Page C are shown below.
NOTE
The icon below is the status indicator. means inactive,and means active.
5.1 Schedule
You can make schedules for the unit operation.
19

The status indicator on the right of the interface shows “ON” when the schedule is active, and “OFF” when the schedule is inactive.
20

NOTE
You might see less items than what is illustrated above. The number of visible items depends on your actual application. This function is based on the current time displayed on the wired controller. Make sure the time is correct. Zone 1 daily timer For daily schedule for Zone 1, 4 parameters can be set. Up to 6 commands can be set.
NOTE
Daily schedule: The commands repeat every day.
21

Time

The time when the unit starts to execute the following command.

Mode

The mode in which the unit starts to run from the set time. OFF means Zone 1 turns off at the set time.

Temp The target temperature of the unit in the set mode.

Status

The status of the schedule setting. If no timer is active, Zone 1 daily timer is inactive.

Zone 2 daily timer Daily schedule for Zone 2. Refer to Zone 1 daily timer. This item is invisible if DOUBLE ZONE is disabled. DHW daily timer Daily schedule for DHW heating. Refer to Zone 1 daily timer. This item is invisible if DHW MODE is disabled.
Zone 1 weekly schedule Weekly schedule for Zone 1. Up to 4 schedules can be set.

22

NOTE
Weekly schedule: The commands repeats every week.
Press and you can see the interface below.
23

Day: Command:

Weekly schedule

Indicates the status of the weekly schedule.

Day

The day on which the following command is active within a week. At least one day should be selected.

Command Refer to Zone 1 daily timer.

24

Zone 2 weekly schedule Weekly schedule for Zone 2. Refer to Zone 1 weekly schedule. This item is invisible if DOUBLE ZONE is disabled. DHW weekly schedule Weekly schedule for DHW heating. Refer to Zone 1 weekly Schedule and DHW daily timer. This item is invisible if DHW MODE is disabled. Holiday away Schedule for holiday, providing a mild temperature for the residence to prevent freezing.
Press and you can see the interface below.
25

Current Status From
Until

Indicates the status of Holiday away mode.
The day on which Holiday away mode starts (00:00 on that day). The day on which Holiday away mode ends (24:00 on that day).
26

Heating Mode* Heating Temp.*
DHW Mode**

Indicates the status of heating mode.
The target temperature of the unit in heating mode.
Indicates the status of DHW heating mode.

DHW

The target temperature of the unit in DHW

Temp.** heating mode.

Disinfect*** Indicates the status of disinfect function.

* Invisible if Heating mode is inactive. ** Invisible if DHW mode is inactive. *** Invisible if DHW mode or disinfection is inactive.

NOTE

You might see less items than what is illustrated above. The number of visible items depends on your actual application.
Quit Holiday away mode in advance:
When Holiday away mode is active, press any button on the wired controller. Then, a confirmation page appears.
For more information, see FAQ.

27

Holiday home In case that user stays at home for holiday, user can make customized schedule.
Press and you can see the interface below.
28

Current Status Indicates the status of Holiday home mode.

From*

The day on which Holiday home mode starts (00:00 on that day)

Until*

The day on which Holiday home mode ends (24:00 on that day)

Zone 1 holiday timer*

Zone 1 holiday timer.

Zone 2 holiday timer*

Zone 2 holiday timer.

DHW holiday timer*

DHW holiday timer.

* Invisible if Holiday home mode is inactive.

29

NOTE
You might see less items than what is illustrated above. The number of visible items depends on your actual application. Quit Holiday home mode in advance: When Holiday home mode is active, press any key on the wired controller. Then, a confirmation page appears.. For more information, see FAQ.
5.2 Weather temp. settings
Weather temp. settings
The set water temperature is regulated automatically depending on the outdoor ambient temperature. This function is only for space heating and space cooling. When the function is active, the unit will apply temperature curves if the current operation mode is consistent with the activated function
30

The status indicator on the right of the interface shows “ON” when the setting is active, and “OFF” when the setting is inactive.
NOTE
If the temperature is controlled by water temperature, you cannot adjust the set temperature (in home page) manually once this function is enabled.
31

If the temperature is controlled by room temperature, the set temperature (in home page) can be adjust as usual.
This function is invalid if the unit is in holiday away or holiday home mode, and the function turns to valid automatically (if this function is set to be active) when the unit quits holiday away or holiday home mode. Zone 1 heating mode Heating temperature curve setting for Zone 1.
Press and you can see the interface below
32

Temperature curve

Indicates the status of temperature curve function.

Select which curve type you want to apply.

Three types in all: Standard, ECO, Custom

Temperature curve type*

Standard: Curves preset by manufacturer, mainly for common conditions
ECO: Curves preset by manufacturer, for energy

saving

Custom: The parameters of the curve can be

adjusted, mainly for advanced users.

Standard

Temperature Up to 8 curves preset by manufacturer, from

level*

which you can choose one.

Temperature offset*

Fine tune the curve. -Slightly increase or decrease the temperature of the curve.

33

ECO**

Temperature Up to 8 curves preset by manufacturer, from

level*

which you can choose one.

ECO timer*

ECO timer: Indicates the status of ECO timer. -If the ECO timer is inactive, the unit will operate in ECO mode all the way. -If the ECO timer is active, the unit will operate in ECO mode only during the set time period. Start: the hour from which the ECO curve is enabled; End: the hour from which the ECO curve is disabled -If the set Start time is later than the set End time, the unit will operate in ECO mode throughout a day. The Start time and End time cannot be set to the same value. Otherwise, the most recent setting is invalid, and a notice window appears.

Custom

Temperature setting*

The parameters of the curve can be adjusted.

* Invisible if Temperature curve function is inactive.

34

** Available only for Zone 1 heating mode and single zone application. Zone 1 cooling mode Cooling temperature curve setting for Zone 1. Refer to Zone 1 heating mode. Zone 2 heating mode Heating temperature curve setting for Zone 2. Refer to Zone 1 heating mode.
NOTE
Invisible if DOUBLE ZONE is disabled.
Zone 2 cooling mode Cooling temperature curve setting for Zone 2. Refer to Zone 2 heating mode.
NOTE
Invisible if DOUBLE ZONE is disabled.
Introduction to weather temp. settings It provides some basic knowledge about the temperature curve. For more information, see FAQ.
35

5.3 DHW settings
DHW settings
NOTE
Invisible if DHW MODE is disabled. The status indicator on the right of the interface shows “ON” when the setting is active, and “OFF” when the setting is inactive.
36

Disinfect

Kill Legionella at high temperature.

Disinfect timer Indicates the status of Disinfect function.

The day on which Disinfect function is Operation day active within a week. At least one day
should be selected.

Start

The hour when Disinfect function starts.

Fast DHW*

Indicates the status of Fast DHW function. -Fast DHW function forces the unit to run in DHW mode (the unit will switch to DHW mode immediately). -Fast DHW serves to activate auxiliary heat sources such as TBH, AHS, and IBH for DHW heating.

Tank heater*

Indicates the status of Tank heater function. -Tank heater function serves to activate TBH.

DHW pump

Daily schedule for DHW pumps -Up to 12 commands can be set. The operation time of DHW pumps for each command is 5 minutes.

* The status indicator will turn OFF automatically after the function ends.

37

Disinfect
Press and you can see the interface below
Operation
NOTE
If there is DHW Timer set off during disinfect function running. The disinfect function will be stopped without any notice.
38

DHW pump

5.4 Settings

Settings

The status indicator on the right of the interface shows “ON” when the setting is active, and “OFF” when the setting is inactive.
39

Silent and boost mode setting
Silent and boost mode setting You can select Silent mode or Boost mode. In Silent mode, the unit operates without producing much noise. In Boost mode, the unit operates with higher capacity and higher noise, power consumption as well.
40

Silent and boost mode setting Current state
Press and you can see the interface below.
Silent and boost mode setting Current state Mode setting
NOTE
Boost mode is only available for specific models. 41

Silent and boost mode setting

Current state Mode setting Timer 1 From Until
Timer 2 From Until

Indicate the status of Silent and boost mode setting.
Select which level you want to apply to: (1)Silent; (2)Super silent; (3)Boost Indicate the status of Timer 1. The Silent and boost mode setting start time of Timer 1 The Silent and boost mode setting end time of Timer 1 Indicate the status of Timer 2. The Silent and boost mode setting start time of Timer 2 The Silent and boost mode setting end time of Timer 2

When Current state is active and Timer is inactive, the unit runs in Silent or Boost mode all the time. When Current state is active and Timer is also active, the unit runs in Silent or Boost mode only in the set time period.

42

If the set start time is later than the set end time, the unit will operate in Silent or Boost mode throughout a day. The Start time and End time cannot be set to the same value. Otherwise, the most recent setting is invalid, and a notice window appears. Backup Heater
Invisible when IBH/AHS function is disabled. The status indicator will turn OFF automatically after the function if off.
Silent and boost mode setting
Display Setting
43

Time Date

Set the current time of HMI. Set the current date of HMI.

Set summer time start time and end time.

Daylight saving time

NOTE
Timer could be skipped when the wired controller switches summer time.

Language Backlight Buzzer
Screen Lock Screen Lock Time Decimal separator

Set the language of HMI.
Set the backlight brightness. Indicates the status of Buzzer. Reminds user how to lock and unlock the screen. Set the automatic screen lock timer.
Switch decimal separator type.

44

WLAN Setting

Smart Link

Jump to a new page, which contains the SN code of the wired controller. -Every time you enter the Smart Link screen, the WLAN connection is activated for 5 minutes. -With the WLAN connection activated, connect to the unit through the app. Refer to the instructions of the app for more information.

A page for confirmation appears.

-If you confirm the reset, the unit will

Reset WLAN disconnect with the app. If you want to use the

setting

app to operate the unit, connect the unit with

the WLAN again.

Force Defrost Current State: Indicates the status of Force Defrost.
The status indicator will turn OFF automatically after Force Defrost ends.
45

5.5 Unit Status

Unit status

Device info.

A list of parameters related to the units (both

master units and slave units).

Operation parameter

You can check the current status parameter.
Press or to switch the unit.

of

each

-Ask your installer for more information of each

parameter.

46

You can check the produced energy, consumed

power and efficiency of the unit for every type.

Three types in all:

-Heating energy data*

-Cooling energy data*

-DHW energy data*

Energy

Two functions: -Energy data: you can check the hourly, daily,

metering weekly, monthly, or yearly data or total data.

-Historical data: you can check the historical data.

NOTE

COP/EER is calculated under normal operating conditions.

Device info.

The SN code and software version of the wired controller, outdoor unit or indoor unit (if applicable). Press to switch information page (SN code and software) You can check both the master units and slave units. Press or to switch the unit (master units and slave units).

Service call

The phone number of your installer or dealer.

* Visible with — displayed, if the function is disabled accordingly.

47

Operation parameter Energy metering
48

Energy data: 49

Historical data:

5.6 Error Info

Error info

Access icon 7 in page C. Then, unit errors (if any) are displayed.
50

You can press at each record to check the definition of the error code.

Clear Error info. Press and hold Error info.

for 5 seconds to clear all the records in

51

5.7 FAQ
FAQ
Access icon 8 in page C. Then, a QR code is displayed.
Scan the QR code for more details about the wired controller. 52

5.8 Sensor backup setting
NOTE
This function is only available for specific models. This function will activate automatically when your unit in some specific error. It allows the unit keep working for 48 hours. If the problem is not solved in due time, the unit will shut down automatically. When the sensor backup function is active, you will see a permanent window in the main page.
XXXXXXXXXX
Zone1 40
53

The window also indicates the remaining time of this function.
NOTE
Please contact you installer to solve the problem in time.
5.9 APP
Connecting SN:XXXXXXXXXXXX
54

When smart networking is enabled, you can control your smart devices with APP.
Smart home appliances networking guidelines
1
1.Download the SmartHome App
On an app market (Google Play Store, Apple App Store), search for SmartHome* and find the SmartHome app. Download and install it on your phone. You can also download the app by scanning the QR code below.
Download the app & activate product
2.Register and log in Open the SmartHome app, and create a new account to start (you can also register through a third-party account). If you already have an existing account, use the account to log in.
55

3.Connect your devices to SmartHome
Please make sure your mobile phone is connected to a wireless network. If it is not, go to Settings and enable wireless networks and Bluetooth. Activate network connection function on the wired controller. Open SmartHome app on your phone. If a message of “Smart devices discoverednearby” appears, click to add.
Washing machine
56

If no message appears, select “+” on the page and select your device in the list of nearby devices available. If your device isnot listed, please add your device manually by the device category and device model.
Connect your device to the wireless network according to instructions on app. If the connection fails, please follow the instructions provided by the app to continue with the operation.
57

NOTE
Notes on networking When networking the product, please make sure that the mobile phone is as close as possible to the product.
According to the App tips, if the product only supports 2.4GHZ WiFi communication, please note that the 2.4GHz network is selected for connection.
Midea recommends WiFi router SSID names contain only alphanumeric values. If special characters, punctuation marks or spaces are used it might prevent the SSID name from showing up in the available networks to join in the App. Try it and if the SSID shows up then it is ok to use, otherwise log into the router and change the SSID name.
A large number of devices on the WiFi router can affect network stability, there is no way that Midea can advise a specific number limitation as this depends on router quality and many other factors.
If the router or WiFi name and WiFi password change, please repeat the above process to reconnect to the network.
As the product technology is updated, the content of SmartHome may change, and the actual display in SmartHome App shall prevail.
58

Troubleshooting of networking failures
When connecting the product to a network, please keep the product as close to your phone as possible.
At present, the product only supports 2.4 GHz band routers. Special characters, such as punctuation and space, are not recommended as a part of the WLAN name.
The number of devices connecting to the same router should not exceed 10. Otherwise, the devices may be disconnected due to unstable signals. If the password of the router or WLAN is changed, clear all settings and reset the appliance.
The contents of APP might change in version updates and actual operation shall prevail.
WIFI information WIFI transmission frequency range: 2.400~2.4835 GHz EIRP 20 dBm BLE transmission frequency range: 2.402~2.480 GHz, EIRP10 dBm
59

6 INSTALLATION CONFIGURATION

To be filled in by the installer.

Code Date
DHW mode Disinfect DHW priority Pump_D DHW priority time set dT5_ON

Setting DHW setting

dT1S5 T4DHWMAX T4DHWMIN

T5S_Disinfect t_DI_HIGHTEMP. t_DI_MAX

t_DHWHP_Restrict t_DHWHP_MAX Pump_D timer

Pump_D running time Pump_D disinfect

Unit
/ / / / / °C °C °C °C °C Minutes Minutes Minutes Minutes / Minutes /

60

Cooling mode t_T4_Fresh_C T4CMAX T4CMIN dT1SC dTSC Zone 1 C-emission Zone 2 C-emission
Heating mode t_T4_Fresh_H T4HMAX T4HMIN dT1SH dTSH Zone 1 H-emission Zone 2 H-emission Force defrost
T4AUTOCMIN T4AUTOHMAX

Cooling setting Heating setting AUTO mode setting

61

/ Hour
°C °C °C °C / /
/ Hours
°C °C °C °C / / /
°C °C

Temp. type setting

Water flow temp.

Room temp.

Double zone

Room thermostat setting

Room thermostat Mode set priority

Other heat source

IBH function dT1_IBH_ON t_IBH_Delay T4_IBH_ON P_IBH1 P_IBH2 AHS function AHS_Pump_I Control dT1_AHS_ON t_AHS_Delay T4_AHS_ON EnSwitchPDC GAS-COST ELE-COST MAX-SETHEATER

62

/ / /
/ /
/ °C Minutes °C kW kW / / °C Minutes °C / Price/m3 Price/kWh °C

MIN-SETHEATER MAX-SIGHEATER MIN-SIGHEATER TBH function dT5_TBH_ OFF t_TBH_Delay T4_TBH_ON P_TBH Solar function Solar control Deltatsol
Preheating for floor T1S t_ARSTH Floor drying up t_Dryup t_Highpeak t_Drydown t_Drypeak

Special function

63

°C V V / °C Minutes °C kW / / °C
/ °C Hours
/ Days Days Days °C

Start time Start date
Auto restart cooling/heating mode

Auto restart

Auto restart DHW mode

Power input limitation

Power input limitation
M1 M2 SMART GRID T1T2 TBT P_X port
PER_START TIME_ADJUST
HMI address for BMS

Input definition
Cascade setting HMI address setting

64

h/min dd/mm/yy
/
/
/
/ / / / /
% Minutes
/

Stop BIT
Common setting
t_Delay pump t1_Antilock pump t2_Antilock pump run t1_Antilock SV t2_Antilock SV run Ta-adj. Pump_I silent output Energy metering Pump_O
Glycol Glycol concentration Pump_I minimum output
Intelligent function settings
Energy correction Sensor backup mode

/
Minutes Hours Seconds Hours Seconds
°C % / / / % %
/ /

NOTE
There are some items that are invisible if the function is disabled or unavailable.

65

7 OPERATING PARAMETERS

No.

Code Date

Value

1 ODU model

2 Operation mode

3 Comp. frequency

4 Fan 1 speed

5 Fan 2 speed(if available)

6 Expansion valve 1

7

Expansion valve 2(if available)

8

Expansion valve 3(if available)

9

Tp comp. discharge temp.

10 Th comp. suction temp.

11

T3 outdoor exchanger temp.

12 TL distributor temp.

13 T4 outdoor air temp.

14 TF module temp.

15 T9i temp(if available)

16 T9o temp(if available)

17 P1 comp. pressure

18 P2 comp. pressure

19 T2b plate F-in temp.

20 T2 plate F-out temp.

66

Tw_in plate water inlet 21 temp.

22

Tw_out plate water outlet temp.

23 T1 leaving water temp.

24 Tw2 circuit2 water temp.

25 Ta room temp.

26 T5 water tank temp.

27 Tbt buffer tank temp.

28 T1S_C1 CLI. curve temp.

29

T1S2_C2 CLI. curve temp.

30 Water pressure

31 Water flow

32 ODU current

33 ODU voltage

34 DC voltage

35 DC current

36 Pump_I PWM

NOTE

There are some items that are invisible if the function is disabled or unavailable.
This table only contains a part of parameters, please refer to the actual unit.

67

NO TE 68

16110600000825 V.H

Hereby, GD Midea Heating & Ventilating Equipment Co., Ltd., declares that this model is in compliance with the essential requirements and other relevant provisions of RE Directive 2014/53/EU. A copy of the full DoC is attached.

120*120mm 120g80g

A-B

23.6.20

B-C

23.7.26

C-D

23.9.9

D-E

23.12.9

E-F

24.01.16

F-G

24.10.24

G-H

25.01.03

Documents / Resources

Midea R290-M Wired Controller [pdf] Instruction Manual
R290-M-thermal, R290-M Wired Controller, Wired Controller, Controller

References

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